linux-kernel - Re: [PATCH v7 29/43] drm/mediatek: mtk_hdmi: Use devm managed version of drm_bridge

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Message-ID: <CAAOTY_9U4gNASfdiF=B-5+er0qs+F7V=gO1RwjuXw7FagMiUwA@mail.gmail.com>
Date: Thu, 20 Feb 2025 22:10:36 +0800
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: chunkuang.hu@...nel.org, p.zabel@...gutronix.de, airlied@...il.com, 
	simona@...ll.ch, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, 
	tzimmermann@...e.de, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	matthias.bgg@...il.com, ck.hu@...iatek.com, jitao.shi@...iatek.com, 
	jie.qiu@...iatek.com, junzhi.zhao@...iatek.com, 
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, kernel@...labora.com, 
	dmitry.baryshkov@...aro.org, lewis.liao@...iatek.com, 
	ives.chenjh@...iatek.com, tommyyl.chen@...iatek.com, 
	jason-jh.lin@...iatek.com
Subject: Re: [PATCH v7 29/43] drm/mediatek: mtk_hdmi: Use devm managed version
 of drm_bridge_add

Hi, Angelo:

AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> 於
2025年2月17日 週一 下午11:50寫道：
>
> Simplify the probe/remove functions by using devm_drm_bridge_add()
> as now there is no more need to manually remove the bridge.

Applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Reviewed-by: CK Hu <ck.hu@...iatek.com>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_hdmi.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index e79ebed21eab..f539472307e2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -1674,14 +1674,15 @@ static int mtk_hdmi_probe(struct platform_device *pdev)
>         hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
>         hdmi->bridge.vendor = "MediaTek";
>         hdmi->bridge.product = "On-Chip HDMI";
> -       drm_bridge_add(&hdmi->bridge);
> +
> +       ret = devm_drm_bridge_add(dev, &hdmi->bridge);
> +       if (ret)
> +               return dev_err_probe(dev, ret, "Failed to add bridge\n");
>
>         ret = mtk_hdmi_clk_enable_audio(hdmi);
> -       if (ret) {
> -               drm_bridge_remove(&hdmi->bridge);
> +       if (ret)
>                 return dev_err_probe(dev, ret,
>                                      "Failed to enable audio clocks\n");
> -       }
>
>         return 0;
>  }
> @@ -1690,7 +1691,6 @@ static void mtk_hdmi_remove(struct platform_device *pdev)
>  {
>         struct mtk_hdmi *hdmi = platform_get_drvdata(pdev);
>
> -       drm_bridge_remove(&hdmi->bridge);
>         mtk_hdmi_clk_disable_audio(hdmi);
>  }
>
> --
> 2.48.1
>